Working with pattern - Print 'B'.

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SOURCE CODE

import java.io.*;
import java.util.*;
public class B
{
    public static void main(String args[])
    {
        Scanner sc=new Scanner(System.in);
        System.out.print("Enter a odd number >=5 :");
        int n=sc.nextInt();
        int a=n/2+1;
        System.out.println("\n");
        if(n>=5&& n%2!=0 )            
        {
            for(int i=1;i<=n;i++)
            {
                for(int j=1;j<=n;j++)
                {
                    if(j==1|| (i==1 && j!=n)||(i==n && j!=n)||(i>1 &&i<n &&j==n)||i==a)
                        System.out.print("B ");
                    else
                        System.out.print("  ");
                }
                System.out.println();
            }
        }
        else
        System.out.println("Invalid Input");
    }
}

OUTPUT


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